Question

A rectangular lawn measuring 47 m by 21 m is surrounded externally by a 2 m wide path. Calculate the cost of gravelling the path at the rate rupees 135 per meter.​

Answer 1

Answer: Length including path (47 + 2)m

breadth including the path (21 +2)m

cost = (49 x 23) - (47 x 21) x 135 = (1127 - 987) x 135 = Rs 18900

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